[jboss-dev-forums] [Design of JBoss Portal] - Re: portal clustering problem when using optimistic locking

[bstansberry@jboss.com]

ASYNC generally isn't valid for an entity, since you can't guarantee cache consistency. It might be OK if all your entities are really "owned" by one node; i.e. it's not expected that another node will access that entity except in case of failover.

I'm somewhat surprised you are seeing a big perf improvement with OL.  That would generally imply lots of cache writes, since the benefit of OL is it allows reads to proceed concurrently with writes.

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